Limits, pricing history. Verified November 2026. Last updated 2026-11-11.
MailerSend.com's free tier offers Email API and SMTP. Free plan: 500 emails/month, at most 100 a day, for transactional email. We rate it stable. The one record we hold was our own error and has been withdrawn.
The day we last read the vendor's page, and the day we last confirmed the terms we publish.
Free Tier Details
Email API and SMTP. Free plan: 500 emails/month, at most 100 a day, for transactional email.
We read that on 2026-11-11 from https://www.mailersend.com, and our check recorded: the page names MailerSend.com as "mailersend com" and states "500 emails/month" and "500 emails /month".
From mailersend.com, read 2026-11-11:
Free For occasional email testing and sending Get started for free — includes: 500 emails /month 10 email verification credits Email threads support Drag & Drop email builder
MailerSend asks for credit card details on its Free plan to prevent abuse. It does not charge anything on the Free plan. (From mailersend.com/pricing, read 2026-10-23.)
Retracted — this record was our error (2026-09-27). Retracted 2026-09-27: MailerSend's free plan did not change. Its pricing page listed "Free — For occasional email testing and sending" with "500 emails /month" in the Internet Archive's captures of 2026-08-04 and 2026-09-14. The 14-day trial this record read is a trial of the paid Professional plan, which the homepage advertised beside the Free plan in the capture of 2026-08-28: "14-day free Professional trial • Send 500 emails/month for free". Source ↗
We do not push notifications. Every change we record is readable the moment it lands, and the JSON answer carries an ETag — send it back as If-None-Match and an unchanged answer costs one 304.
Yes, MailerSend.com offers a free tier: Free. Email API and SMTP. Free plan: 500 emails/month, at most 100 a day, for transactional email.
What is MailerSend.com's free tier?
MailerSend.com's free tier is called "Free". Email API and SMTP. Free plan: 500 emails/month, at most 100 a day, for transactional email. MailerSend asks for credit card details on its Free plan to prevent abuse. It does not charge anything on the Free plan. (From https://www.mailersend.com/pricing, read 2026-10-23.)
Is MailerSend.com's free tier reliable?
MailerSend.com's free tier is considered stable. The one record we hold was our own error and has been withdrawn. See the pricing history below.
Is MailerSend.com's free tier good for production?
MailerSend.com's free tier can be suitable for small production workloads and side projects. We rate it stable and it offers Email API and SMTP. Free plan: 500 emails/month, at most 100 a day, for transactional email, so it's a reasonable starting point. The one record we hold was our own error and has been withdrawn. Monitor your usage against the limits and have an upgrade plan ready.
What changed in MailerSend.com's pricing?
The one record we hold was our own error and has been withdrawn.
When will I outgrow MailerSend.com's free tier?
At 500 emails/mo, you'll need to upgrade. When you outgrow the free tier, evaluate paid plans against alternatives — sometimes a competitor's free tier covers what you need.
What category is MailerSend.com in?
MailerSend.com is categorized under Email on AgentDeals.